/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/HierarchyEditor/NiagaraHierarchyViewModelBase.h
Function to implement for custom drag drop ops.
virtual [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FNiagaraHierarchyDragDropOp](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarchyDragDropOp) > CreateDragDropOp ( [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [FNiagaraHierarchyItemViewModelBase](API\Plugins\NiagaraEditor\ViewModels\HierarchyEditor\FNiagaraHierarch-_6) > Item )